ETYM French indifférent, Latin indifferens. Related to In- not, and Different.
1. Characterized by a lack of partiality; SYN. unbiased, unbiassed.
2. Fairly poor to not very good.
3. Marked by no especial liking or dislike or preference for one thing over another.
4. Neither good nor bad; SYN. passable, so-so, tolerable.
5. Neither too great nor too little.
6. Showing no care or concern in attitude or action.